From c52355b516429d3a1b7b452d12a70a2549728664 Mon Sep 17 00:00:00 2001
From: "miriam.baglioni" <miriam.baglioni@isti.cnr.it>
Date: Wed, 7 Apr 2021 12:13:45 +0200
Subject: [PATCH] refactoring

---
 .../main/java/eu/dnetlib/dhp/oa/graph/dump/ResultMapper.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/dump/ResultMapper.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/dump/ResultMapper.java
index a425d126c..0d08a7e95 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/dump/ResultMapper.java
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/dump/ResultMapper.java
@@ -429,7 +429,7 @@ public class ResultMapper implements Serializable {
 		if (oPca.isPresent() && oPcc.isPresent()) {
 			Field<String> pca = oPca.get();
 			Field<String> pcc = oPcc.get();
-			if (pca.getValue().trim() != "" && pcc.getValue().trim() != "") {
+			if (!pca.getValue().trim().equals("") && !pcc.getValue().trim().equals("")) {
 				APC apc = new APC();
 				apc.setCurrency(oPcc.get().getValue());
 				apc.setAmount(oPca.get().getValue());